Table 2
Best-fit parameters of the leptonic and hadronic scenarios for the one-zone and two-zone models applied to the RCW 86 broadband emission (see Fig. 4).
| Leptonic model | Hadronic model | |||||
| One-zone | Two-zone | One-zone | Two-zone | |||
| radio | X-ray | radio | X-ray | |||
|
|
||||||
| B (μG) | 15 (25) | >10 (>25) | 15 (25) | 400 | >10 (>25) | >50 |
| Γ | 2.3 | 2.2 | 2.0 | 1.8 | 2.2 | 1.8 |
| Ebreak,e (TeV) | – | – | – | 0.04 | – | 3.0 |
| Emax,e (TeV) | 25 (20) | 0.2 (0.15) | 25 (20) | 7 | 0.2 (0.15) | 20 |
| Emax,p (TeV) | 100 | – | 100 | 80 | – | 80 |
ηe (×10-2 ) |
2 (0.9) | <2.5 (<0.5) | 0.04 (0.02) | 0.004 | <2.5 (< 0.5) | 0.006 |
ηp (×
10-2/ ) |
<2 | – | <4 | 7 | – | 7 |
| K ep | >0.1 (>0.05) | – | >0.006 (>0.003) | 0.002 | – | 0.001 |
Notes. Numbers in parentheses correspond to the constraints obtained when considering the Galactic ISRFs from Porter & Strong (2005) in the calculation of IC emission. Note that we do not consider any population of accelerated hadrons associated with the radio-SC-emitting electrons in the two-zone models (Kep is then left undetermined). We also fixed Emax,p to 100 TeV in the leptonic scenarios.
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